Re: [PATCH net] net: dsa: qca8k: Use up to 7 ports for all operations

From: David Miller
Date: Mon Sep 30 2019 - 17:46:27 EST


From: Michal Vokáč <michal.vokac@xxxxxxxxx>
Date: Thu, 26 Sep 2019 10:59:17 +0200

> The QCA8K family supports up to 7 ports. So use the existing
> QCA8K_NUM_PORTS define to allocate the switch structure and limit all
> operations with the switch ports.
>
> This was not an issue until commit 0394a63acfe2 ("net: dsa: enable and
> disable all ports") disabled all unused ports. Since the unused ports 7-11
> are outside of the correct register range on this switch some registers
> were rewritten with invalid content.
>
> Fixes: 6b93fb46480a ("net-next: dsa: add new driver for qca8xxx family")
> Fixes: a0c02161ecfc ("net: dsa: variable number of ports")
> Fixes: 0394a63acfe2 ("net: dsa: enable and disable all ports")
> Signed-off-by: Michal Vokáč <michal.vokac@xxxxxxxxx>

Applied.